Allied World War II strategy; Cold War; nationalism, civil war and genocide.
The Army decimates American Indians; Russo-Japanese War; tanks and planes in World War II.
Trains, telegraph and rapid-fire weapons; Crimean War; Civil War; Prussian efficiency unites Germany.
The Seven Years War; American Revolution; French Revolution and Napoleon.
Longbows at the Battle of Crecy, 1346; the fall of Constantinople; the fall of the Aztec empire.
Horse-borne armies, led by tyrants such as Attila the Hun and Genghis Khan, terrorized the settled peoples of Europe, India and China.
The Roman and Chinese empires build cultures on violence and leave legacies of organization.
The emergence of Greek city-states and their approach to battle, marking the beginning of the way of war.